feat(combos): add Combos & Synergies detection, chip-style UI with dual hover; JSON persistence and headless honoring; stage ordering; docs and tests; bump to v2.2.1

code/deck_builder/__init__.py

@@ -1,7 +1,9 @@
-from .builder import DeckBuilder
-from .builder_utils import *
-from .builder_constants import *
+__all__ = ['DeckBuilder']
 
-__all__ = [
-    'DeckBuilder',
-]
+
+def __getattr__(name):
+    # Lazy-load DeckBuilder to avoid side effects during import of submodules
+    if name == 'DeckBuilder':
+        from .builder import DeckBuilder  # type: ignore
+        return DeckBuilder
+    raise AttributeError(name)